package com.tanhua.dubbo.api;

import com.tanhua.model.mongo.Friend;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

@DubboService
public class FriendApiImpl implements FriendApi{

    @Autowired
    private MongoTemplate mongoTemplate;

    @Override
    public void save(Long userId, Long id) {
        Query query=Query.query(Criteria.where("userId").is(userId).and("friendId").is(id));
        if (!mongoTemplate.exists(query, Friend.class)){
            Friend friend=new Friend();
            friend.setUserId(userId);
            friend.setFriendId(id);
            friend.setCreated(System.currentTimeMillis());
            mongoTemplate.save(friend);
        }

        Query query1=Query.query(Criteria.where("userId").is(id).and("friendId").is(userId));
        if(!mongoTemplate.exists(query1,Friend.class)){
            Friend friend=new Friend();
            friend.setUserId(id);
            friend.setFriendId(userId);
            friend.setCreated(System.currentTimeMillis());
            mongoTemplate.save(friend);
        }

    }

    @Override
    public List<Friend> findByUserId(Long userId, Integer page, Integer pagesize) {
        Criteria criteria = Criteria.where("userId").is(userId);
        Query query = Query.query(criteria).skip((page - 1) * pagesize).limit(pagesize)
                .with(Sort.by(Sort.Order.desc("created")));
        return mongoTemplate.find(query,Friend.class);
    }
}
